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Risultati 140-160 di 1585

testo

Niveaux de production des récoltes et emploi des engrais

  • Food and Agriculture Organization of the United Nations. Fertilizer and Plant Nutrition Service. Land and Water Development Division
testo

No-tillage and surface-tillage agriculture

the tillage revolution

  • Sprague, Milton A.
testo

Nutrient balances and the need for fertilizers in semi-arid and arid regions

proceedings of the 17th Colloquium of the International Potash Institute held in Rabat and Marrakech, Morocco, 1983

  • International Potash Institute
testo

Optimizing soil moisture for plant production

the significance of soil porosity

  • Shaxson, T. F.
testo

Organic farming

yesterday's and tomorrow's agriculture

  • Wolf, Ray
testo

Organic materials and soil productivity in the Near East

papers presented at the FAO/SIDA Workshop on the Use of Organic Materials for Improving Soil Productivity in the Near East, held in Alexandria, Egypt, 9-18 October 1978

  • FAO. Soil Resources, Management, and Conservation Service
testo

Organic recycling in Africa

papers presented at the FAO/SIDA Workshop on the Use of Organic Materials as Fertilizers in Africa, held in Buea, Cameroon, 5-14 December 1977

  • FAO. Soil Resources, Management, and Conservation Service
testo

Pedologia [+]

  • Giordano, Andrea
testo

Planning and organization of fertilizer use development in Africa

papers presented at the FAO/DANIDA Regional Seminar on Planning and Organization of Fertilizer Use Development in Africa, Nairobi, Kenya, 1-16 December 1972

  • FAO. Soil Resources, Development and Conservation Service
testo

Plant growth regulators

agricultural uses

  • Nickell, Louis G.

Risultati 140-160 di 1585

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